TSVT insider transaction filings
2seventy bio, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-05-15. Screen TSVT transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for TSVT between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.
Recent Form 4 filings — 2seventy bio, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2025-05-15 | 4 | Eatwell Victoria — Chief Financial Officer | Disposition to issuer (D): 401,111 · Code (U): 43,276 · Disposition to issuer (D): 21,700 (derivative) · Disposition to issuer (D): 18,300 (derivative) · Disposition to issuer (D): 72,000 (derivative) | EDGAR |
| 2025-05-15 | 4 | Snow Jessica — Chief Operating Officer | Disposition to issuer (D): 247,230 · Code (U): 11,064 · Disposition to issuer (D): 18,300 (derivative) · Disposition to issuer (D): 70,750 (derivative) | EDGAR |
| 2025-05-15 | 4 | Wei Lin — Director | Disposition to issuer (D): 17,583 · Code (U): 15,267 · Disposition to issuer (D): 24,100 (derivative) | EDGAR |
| 2025-05-15 | 4 | Maus Marcela V. — Director | Disposition to issuer (D): 12,050 · Code (U): 11,702 · Disposition to issuer (D): 24,100 (derivative) | EDGAR |
| 2025-05-15 | 4 | Newton Charles W. — Director | Disposition to issuer (D): 17,092 · Code (U): 5,533 · Disposition to issuer (D): 33,400 (derivative) · Disposition to issuer (D): 12,050 (derivative) | EDGAR |
| 2025-05-15 | 4 | Torres Denice — Director | Disposition to issuer (D): 12,050 · Code (U): 19,510 · Disposition to issuer (D): 24,100 (derivative) | EDGAR |
| 2025-05-15 | 4 | Glickman Sarah JS — Director | Disposition to issuer (D): 12,050 · Code (U): 15,602 · Disposition to issuer (D): 24,100 (derivative) | EDGAR |
| 2025-05-15 | 4 | Leschly Nick — Director | Disposition to issuer (D): 335,964 · Code (U): 897,642 · Code (U): 15,233 · Code (U): 41,000 · Disposition to issuer (D): 469,000 (derivative) | EDGAR |
| 2025-05-15 | 4 | Baird William D III — President and CEO, Director | Disposition to issuer (D): 1,002,825 · Code (U): 118,209 · Disposition to issuer (D): 182,000 (derivative) · Disposition to issuer (D): 176,000 (derivative) | EDGAR |
| 2025-05-15 | 4 | Casdin Capital, LLC — Director Casdin Eli — Director Casdin Partners Master Fund, L.P. — Director Casdin Partners GP, LLC — Director | Code (U): 22,625 @ $5 · Code (U): 2,000,000 @ $5 · Disposition to issuer (D): 12,050 (derivative) · Disposition to issuer (D): 33,400 (derivative) | EDGAR |
| 2025-03-19 | 4 | Snow Jessica — Chief Operating Officer | Sale (S): 2,298 @ $4.95 | EDGAR |
| 2025-03-19 | 4 | Eatwell Victoria — Chief Financial Officer | Sale (S): 2,592 @ $4.95 | EDGAR |
| 2025-03-19 | 4 | Baird William D III — President and CEO, Director | Sale (S): 5,092 @ $4.95 | EDGAR |
| 2025-03-13 | 4 | Kynam Global Healthcare Master Fund, LP — 10% owner Kynam Fund GP, LLC — 10% owner Kynam Capital Management GP, LLC — 10% owner Kynam Capital Management, LP — 10% owner Tang Yue — 10% owner | Sale (S): 5,953,825 @ $4.93 · Sale (S): 5,142,111 @ $4.93 · Sale (S): 5,142,111 @ $4.93 | EDGAR |
| 2025-01-22 | 4/A | Snow Jessica — See Remarks | Sale (S): 1,838 @ $2.79 | EDGAR |
| 2025-01-08 | 4 | Snow Jessica — See Remarks | Grant/award (A): 106,150 @ $0 · Grant/award (A): 70,750 (derivative) @ $0 | EDGAR |
| 2025-01-08 | 4 | Eatwell Victoria — Chief Financial Officer | Grant/award (A): 108,000 @ $0 · Grant/award (A): 72,000 (derivative) @ $0 | EDGAR |
| 2025-01-08 | 4 | Baird William D III — President and CEO, Director | Grant/award (A): 264,000 @ $0 · Grant/award (A): 176,000 (derivative) @ $0 | EDGAR |
| 2025-01-07 | 4 | Snow Jessica — See Remarks | Sale (S): 1,000 @ $2.94 · Sale (S): 114 @ $2.78 · Sale (S): 5,000 @ $2.79 · Sale (S): 186 @ $2.64 | EDGAR |
| 2025-01-07 | 4 | Eatwell Victoria — Chief Financial Officer | Sale (S): 1,013 @ $2.94 · Sale (S): 97 @ $2.78 | EDGAR |
| 2025-01-07 | 4 | Leschly Nick — Director | Sale (S): 85,978 @ $2.94 · Sale (S): 892 @ $2.78 | EDGAR |
| 2025-01-07 | 4 | Baird William D III — President and CEO, Director | Sale (S): 31,718 @ $2.94 · Sale (S): 763 @ $2.78 | EDGAR |
| 2024-12-17 | 4 | Snow Jessica — See Remarks | Sale (S): 2,287 @ $3.23 | EDGAR |
| 2024-11-20 | 4 | Maus Marcela V. — Director | Sale (S): 3,900 @ $3.38 | EDGAR |
| 2024-10-07 | 4 | Snow Jessica — See Remarks | Sale (S): 679 @ $4.65 | EDGAR |
| 2024-10-07 | 4 | Eatwell Victoria — Chief Financial Officer | Sale (S): 1,230 @ $4.65 | EDGAR |
| 2024-08-16 | 4 | Snow Jessica — See Remarks | Sale (S): 7,816 @ $4.32 | EDGAR |
| 2024-08-07 | 4 | Eatwell Victoria — Chief Financial Officer | Sale (S): 13 @ $3.98 | EDGAR |
| 2024-07-03 | 4 | Snow Jessica — See Remarks | Grant/award (A): 108,538 @ $0 · Sale (S): 14 @ $4.02 | EDGAR |
| 2024-07-03 | 4 | Eatwell Victoria — Chief Financial Officer | Grant/award (A): 245,864 @ $0 · Sale (S): 12 @ $4.02 | EDGAR |
| 2024-07-03 | 4 | Baird William D III — President and CEO, Director | Grant/award (A): 586,022 @ $0 | EDGAR |
| 2024-06-12 | 4 | Maus Marcela V. — Director | Grant/award (A): 12,050 @ $0 · Grant/award (A): 24,100 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Wei Lin — Director | Grant/award (A): 12,050 @ $0 · Grant/award (A): 24,100 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Newton Charles W. — Director | Grant/award (A): 6,025 @ $0 · Grant/award (A): 12,050 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Torres Denice — Director | Grant/award (A): 12,050 @ $0 · Grant/award (A): 24,100 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Glickman Sarah JS — Director | Grant/award (A): 12,050 @ $0 · Grant/award (A): 24,100 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Casdin Capital, LLC — Director Casdin Eli — Director Casdin Partners Master Fund, L.P. — Director Casdin Partners GP, LLC — Director | Grant/award (A): 6,025 · Grant/award (A): 12,050 (derivative) @ $3.93 | EDGAR |
| 2024-06-05 | 4 | Eatwell Victoria — Chief Financial Officer | Sale (S): 1,167 @ $4.18 | EDGAR |
| 2024-06-05 | 4 | Snow Jessica — See Remarks | Sale (S): 649 @ $4.18 | EDGAR |
| 2024-05-16 | 4 | Snow Jessica — See Remarks | Sale (S): 15 @ $4.91 | EDGAR |
| 2024-04-03 | 4 | Snow Jessica — See Remarks | Grant/award (A): 31,250 @ $0 · Grant/award (A): 62,500 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | Eatwell Victoria — Chief Financial Officer | Grant/award (A): 42,500 @ $0 · Grant/award (A): 85,000 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | Baird William D III — President and CEO, Director | Grant/award (A): 56,250 @ $0 · Grant/award (A): 112,500 (derivative) @ $0 | EDGAR |
| 2024-03-28 | 4 | Casdin Capital, LLC — Director Casdin Partners Master Fund, L.P. — Director Casdin Partners GP, LLC — Director Casdin Eli — Director | Purchase (P): 40,000 @ $5.10 | EDGAR |
| 2024-03-25 | 4 | Newton Charles W. — Director | Grant/award (A): 16,600 @ $0 · Grant/award (A): 33,400 (derivative) @ $0 | EDGAR |
| 2024-03-25 | 4 | Casdin Capital, LLC — Director Casdin Eli — Director Casdin Partners Master Fund, L.P. — Director Casdin Partners GP, LLC — Director | Purchase (P): 300,000 @ $4.90 · Purchase (P): 147,377 @ $5.12 · Purchase (P): 330,000 @ $5.07 · Sale (S): 63,151 (derivative) @ $4.72 | EDGAR |
| 2024-01-09 | 4 | Leschly Nick — President and CEO, Director | Sale (S): 1,554 @ $3.75 · Grant/award (A): 235,000 @ $0 · Grant/award (A): 469,000 (derivative) @ $0 | EDGAR |
| 2024-01-09 | 4 | Baird William D III — Chief Operating Officer | Sale (S): 1,380 @ $3.75 · Grant/award (A): 91,000 @ $0 · Grant/award (A): 182,000 (derivative) @ $0 | EDGAR |
| 2024-01-09 | 4 | Gregory Philip D — Chief Scientific Officer | Sale (S): 795 @ $3.75 · Grant/award (A): 79,438 @ $0 · Grant/award (A): 158,875 (derivative) @ $0 | EDGAR |
| 2024-01-05 | 4 | Gregory Philip D — Chief Scientific Officer | Sale (S): 25,613 @ $3.87 | EDGAR |
Recent 8-K events — 2seventy bio, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2025-05-13 | 8-K | 1.02 — Termination of a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 3.03 — Material Modification to Rights of Security Holders 5.01 — Changes in Control of Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-25 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-11 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-02-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-01-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2024-11-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2024-10-31 | 8-K | 2.02 — Results of Operations and Financial Condition | EDGAR |
| 2024-09-25 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2024-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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